200744040 has 128 divisors (see below), whose sum is σ = 691234560. Its totient is φ = 45686784.

The previous prime is 200744029. The next prime is 200744057. The reversal of 200744040 is 40447002.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 200743998 and 200744016.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296182 + ... + 296858.

It is an arithmetic number, because the mean of its divisors is an integer number (5400270).

Almost surely, 2^200744040 is an apocalyptic number.

200744040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200744040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345617280).

200744040 is an abundant number, since it is smaller than the sum of its proper divisors (490490520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200744040 is a wasteful number, since it uses less digits than its factorization.

200744040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 200744040 is about 14168.4169899110. The cubic root of 200744040 is about 585.5278455920.

The spelling of 200744040 in words is "two hundred million, seven hundred forty-four thousand, forty".